20172492018

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{421}}^1\times {\mathrm{126761}}^1$

素因数の和:127200

約数の個数: 64

約数和(自身を含む): 51353821440

約数和(自身を除く): 31181329422

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 421, 842, 1263, 2526, 2947, 3789, 5894, 7578, 8841, 11367, 17682, 22734, 26523, 53046, 79569, 126761, 159138, 253522, 380283, 760566, 887327, 1140849, 1774654, 2281698, 2661981, 3422547, 5323962, 6845094, 7985943, 15971886, 23957829, 47915658, 53366381, 106732762, 160099143, 320198286, 373564667, 480297429, 747129334, 960594858, 1120694001, 1440892287, 2241388002, 2881784574, 3362082003, 6724164006, 10086246009, 20172492018]

約数ペア:

[(1, 20172492018), (2, 10086246009), (3, 6724164006), (6, 3362082003), (7, 2881784574), (9, 2241388002), (14, 1440892287), (18, 1120694001), (21, 960594858), (27, 747129334), (42, 480297429), (54, 373564667), (63, 320198286), (126, 160099143), (189, 106732762), (378, 53366381), (421, 47915658), (842, 23957829), (1263, 15971886), (2526, 7985943), (2947, 6845094), (3789, 5323962), (5894, 3422547), (7578, 2661981), (8841, 2281698), (11367, 1774654), (17682, 1140849), (22734, 887327), (26523, 760566), (53046, 380283), (79569, 253522), (126761, 159138)]